Supergravity and large N noncommutative field theories
Supergravity and large N noncommutative field theories
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DOI：
10.1088/1126-6708/1999/11/007
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发表时间：
1999-09
影响因子：
5.4
通讯作者：
M. Alishahiha;Y. Oz;M. Sheikh-Jabbari
中科院分区：
文献类型：
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作者：
M. Alishahiha;Y. Oz;M. Sheikh-Jabbari
我们考虑非零B场存在下的DP-膜系统。在膜世界体积理论与引力解耦的极限下，我们研究了相应的超引力解。这些提供了大N非对易场论的双重描述。我们分析了理论的相结构和不同描述的有效性。我们提供的证据表明，在一个非零的B领域的存在下，世界体积理论的D 6膜可以从重力解耦。我们分别在非零C场和非零RR场的存在下分析了M5膜和NS 5膜的系统。最后，我们利用对偶描述研究了Wilson环（曲面）。
We consider systems of Dp-branes in the presence of a nonzero B field. We study the corresponding supergravity solutions in the limit where the branes worldvolume theories decouple from gravity. These provide dual descriptions of large N noncommutative field theories. We analyse the phase structure of the theories and the validity of the different description. We provide evidence that in the presence of a nonzero B field the worldvolume theory of D6 branes may decouple from gravity. We analyse the systems of M5 branes and NS5 branes in the presence of a nonzero C field and nonzero RR fields, respectively. Finally, we study the Wilson loops (surfaces) using the dual descriptions.